Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7ISP callsign genealogy
Currently held by Cress, Michael E
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W7ISP's current licensee, walking backwards.
- Cress, Michael EWAgranted 2015-01-08cancelled 2015-01-27
Successor callsigns
Callsigns held now by people who previously held W7ISP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ISP, oldest first.
- WRIGHT, DELMER L OR1999-07-16 → cancelled 2011-07-19
- Cress, Michael E WA2024-11-01 active